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The Japan Cancer Surveillance Report: Incidence of Childhood, Bone, Penis and Testis Cancers

2007; Oxford University Press; Volume: 37; Issue: 4 Linguagem: Inglês

10.1093/jjco/hym020

1465-3621

Tomomi Marugame, Kota Katanoda, Tomohiro Matsuda, Yuka Hirabayashi, Ken‐ichi Kamo, Wakiko Ajiki, Tomotaka Sobue,

Cancer Risks and Factors

The Japan Cancer Surveillance Research Group and the Research Group for Population-based Cancer Registration in Japan have estimated cancer incidences in Japan from 1975 to 2000 based on selected population-based cancer registries (1). However, these estimations were restricted to major cancer sites. Neither more detailed sites nor histological type have yet been reported, although these analyses are of clinical interest. Our research group collected data on newly diagnosed cancers between 1993 and 2001 from 15 population-based cancer registries in Japan (Miyagi, Yamagata, Chiba (model area), Kanagawa, Niigata, Fukui, Aichi, Shiga, Osaka, Tottori, Okayama, Saga, Nagasaki, Kumamoto and Okinawa) (1). Detailed analysis of cancer, including rare sites, became possible based on approximately 1.37 million cases of cancer incidence over 9 years. This article briefly reports on childhood cancers and histological types of bone, penis and testis cancer. For each site, we calculated the proportion of cases with death certificate only (DCO), then excluded registries with high proportions of DCO (Tottori and Kumamoto were excluded from the analysis of childhood cancer and bone cancer). Data from Okayama prefecture with diagnosis years of 1993-1995 were excluded because registered cases in this period were restricted to stomach, lung, colon, rectum, breast and uterus cancer.